Check Mode Procedure

HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

1. Start the diagnostic mode (See DIAGNOSIS SYSTEM  ).
2. Read the system check result.

   If all check results are "EXCH," "CHEK" or "Old," touch the display to check the contents on the "Unit Check Mode" screen and record them on the customer problem analysis check sheet.

   HINT:

   • If all check results are "OK," go to communication DTC check (go to step c).
   • If a device name is not known, its physical address is displayed.
   Fig 1: Reading System Check Result (1 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   If "EXCH", "CHEK" and "Old" as well as "OK" exist, press the service switch to return to the "System Check Mode". Then, check the "Unit Check Mode" screen and record them on the customer problem analysis check sheet.

   Fig 2: Reading System Check Result (2 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Read the communication diagnostic check result.
   1. Return to the "System Check Mode", and press "LAN Mon" switch to enter the LAN monitor screen.
   Fig 3: Reading Communication Diagnostic Check Result (1 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. If the result is "CHEK" or "Old," touch the result switch to check the contents on the individual communication diagnostic screen and record them on the customer problem analysis check sheet.

HINT:

• If all check results are "No Err," the system determines that no DTC exists.
• The sub-code (relevant device) will be indicated by its physical address.

Fig 4: Reading Communication Diagnostic Check Result (2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

If check results of other devices are "CHEK," press the "Service" switch to return to the original "LAN Monitor" screen. Then, check the individual communication diagnostic screen for the next device and record the result on the customer problem analysis check sheet.

Fig 5: Reading Communication Diagnostic Check Result (3 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

1. Enter diagnostic mode (See DIAGNOSIS SYSTEM  ).
2. Clear DTC
   1. Press the "Code CLR" switch for 3 seconds.
      Fig 6: Locating Code CLR Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Check result is cleared.
3. Recheck
   1. Press the "Recheck" switch.
      Fig 7: Locating Recheck Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Confirm that all diagnostic codes are "OK" when the check results are displayed.

      If a code other than "OK" is displayed, troubleshoot again.

      Fig 8: Identifying Diagnostic Codes

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Press the "LAN Mon" switch to change to "LAN Monitor" mode.
      Fig 9: Locating LAN MON Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   4. Confirm that all diagnostic codes are "No Err".

   If a code other than "No Err" is displayed, troubleshoot again.

   Fig 10: Identifying All Diagnostic Codes Display

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002